問題詳情
30.鐵路平板車載有一木箱，此木箱與車地板的靜摩擦係數為μ，若平板車以 v 速率行駛，為不使木箱滑動，則最短的停車距離為何者？ 
參考答案
答案：B
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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